Home / 8,664.43-12,996.53-2,090.56

Finding the Fourth Proportional to 8,664.43, 12,996.53 and 2,090.56

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Solution

The fourth proportional to 8,664.43, 12,996.53 and 2,090.56 is: 3,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.43 : 12,996.53 = 2,090.56 : x
  2. Step 2: Convert to fraction form
    8,664.43/12,996.53 = 2,090.56/x
  3. Step 3: Cross multiply
    8,664.43x = 12,996.53 × 2,090.56
  4. Step 4: Simplify right side
    8,664.43x = 27,170,030.98
  5. Step 5: Solve for x
    x = 27,170,030.98/8,664.43
  6. Step 6: Final answer
    x = 3,135.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.